I'm working on https://mindthelink.com, a bookmarking/read-later app. Bookmarks are private by default, but you can share links publicly, a bit like HN. I've added some features lately: tags, collections, importing browser bookmarks, etc.

There's also a Chrome extension: https://chromewebstore.google.com/detail/mind-the-link/faebh...

Your feedback is much appreciated!